PEN Fiber
     (Polyethylene Naphthalate)

Current U.S. PEN Fiber Producer: Performance Fibers Inc.

Basic Principles of PEN Fiber Production — PEN, a new generation polymer, is a high performance member of the polyester family. Its unique chemical structure renders it useful for fibers, packaging and films. PEN has a modulus* that is five times that of nylon, two-and-a-half times that of polyester, and double that of rayon.

PEN Fiber Characteristics

Some major PEN Fiber uses — Engineered reinforcements, cordage, tire cord, narrow and broadwoven fabrics. High-performance sailcloth in racing.


( * modulus is one measure of a fiber's resistance to deformation)